Giroud Benítez, José Luis, et al. “Viusid/Alzer/Efficacy/in/the/Treatment/of/Parkinson’s/Disease/Associated/Fatigue”. Belize Journal of Medicine, vol. 1, no. 3, Oct. 2023, pp. 14-19, https://www.bjomed.org/index.php/bjm/article/view/44.